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Used to extract video urls from popular sites (Instagram, Facebook, DailyMotion, LinkedIn)
/*
* Copyright (c) 2023 Udhayarajan M
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package com.mugames.json;
/*
Public Domain.
*/
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* Configuration object for the XML parser. The configuration is immutable.
* @author AylwardJ
*/
@SuppressWarnings({""})
public class XMLParserConfiguration {
/**
* Used to indicate there's no defined limit to the maximum nesting depth when parsing a XML
* document to JSON.
*/
public static final int UNDEFINED_MAXIMUM_NESTING_DEPTH = -1;
/**
* The default maximum nesting depth when parsing a XML document to JSON.
*/
public static final int DEFAULT_MAXIMUM_NESTING_DEPTH = 512;
/** Original Configuration of the XML Parser. */
public static final XMLParserConfiguration ORIGINAL
= new XMLParserConfiguration();
/** Original configuration of the XML Parser except that values are kept as strings. */
public static final XMLParserConfiguration KEEP_STRINGS
= new XMLParserConfiguration().withKeepStrings(true);
/**
* When parsing the XML into JSON, specifies if values should be kept as strings (true), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
*/
private boolean keepStrings;
/**
* The name of the key in a JSON Object that indicates a CDATA section. Historically this has
* been the value "content" but can be changed. Use null to indicate no CDATA
* processing.
*/
private String cDataTagName;
/**
* When parsing the XML into JSON, specifies if values with attribute xsi:nil="true"
* should be kept as attribute(false), or they should be converted to
* null(true)
*/
private boolean convertNilAttributeToNull;
/**
* This will allow type conversion for values in XML if xsi:type attribute is defined
*/
private Map> xsiTypeMap;
/**
* When parsing the XML into JSON, specifies the tags whose values should be converted
* to arrays
*/
private Set forceList;
/**
* When parsing the XML into JSON, specifies the tags whose values should be converted
* to arrays
*/
private int maxNestingDepth = DEFAULT_MAXIMUM_NESTING_DEPTH;
/**
* Default parser configuration. Does not keep strings (tries to implicitly convert
* values), and the CDATA Tag Name is "content".
*/
public XMLParserConfiguration () {
this.keepStrings = false;
this.cDataTagName = "content";
this.convertNilAttributeToNull = false;
this.xsiTypeMap = Collections.emptyMap();
this.forceList = Collections.emptySet();
}
/**
* Configure the parser string processing and use the default CDATA Tag Name as "content".
* @param keepStrings true to parse all values as string.
* false to try and convert XML string values into a JSON value.
* @deprecated This constructor has been deprecated in favor of using the new builder
* pattern for the configuration.
* This constructor may be removed in a future release.
*/
@Deprecated
public XMLParserConfiguration (final boolean keepStrings) {
this(keepStrings, "content", false);
}
/**
* Configure the parser string processing to try and convert XML values to JSON values and
* use the passed CDATA Tag Name the processing value. Pass null to
* disable CDATA processing
* @param cDataTagName null to disable CDATA processing. Any other value
* to use that value as the JSONObject key name to process as CDATA.
* @deprecated This constructor has been deprecated in favor of using the new builder
* pattern for the configuration.
* This constructor may be removed in a future release.
*/
@Deprecated
public XMLParserConfiguration (final String cDataTagName) {
this(false, cDataTagName, false);
}
/**
* Configure the parser to use custom settings.
* @param keepStrings true to parse all values as string.
* false to try and convert XML string values into a JSON value.
* @param cDataTagName null to disable CDATA processing. Any other value
* to use that value as the JSONObject key name to process as CDATA.
* @deprecated This constructor has been deprecated in favor of using the new builder
* pattern for the configuration.
* This constructor may be removed in a future release.
*/
@Deprecated
public XMLParserConfiguration (final boolean keepStrings, final String cDataTagName) {
this.keepStrings = keepStrings;
this.cDataTagName = cDataTagName;
this.convertNilAttributeToNull = false;
}
/**
* Configure the parser to use custom settings.
* @param keepStrings true to parse all values as string.
* false to try and convert XML string values into a JSON value.
* @param cDataTagName null to disable CDATA processing. Any other value
* to use that value as the JSONObject key name to process as CDATA.
* @param convertNilAttributeToNull true to parse values with attribute xsi:nil="true" as null.
* false to parse values with attribute xsi:nil="true" as {"xsi:nil":true}.
* @deprecated This constructor has been deprecated in favor of using the new builder
* pattern for the configuration.
* This constructor may be removed or marked private in a future release.
*/
@Deprecated
public XMLParserConfiguration (final boolean keepStrings, final String cDataTagName, final boolean convertNilAttributeToNull) {
this.keepStrings = keepStrings;
this.cDataTagName = cDataTagName;
this.convertNilAttributeToNull = convertNilAttributeToNull;
}
/**
* Configure the parser to use custom settings.
* @param keepStrings true to parse all values as string.
* false to try and convert XML string values into a JSON value.
* @param cDataTagName null to disable CDATA processing. Any other value
* to use that value as the JSONObject key name to process as CDATA.
* @param convertNilAttributeToNull true to parse values with attribute xsi:nil="true" as null.
* false to parse values with attribute xsi:nil="true" as {"xsi:nil":true}.
* @param xsiTypeMap new HashMap>() to parse values with attribute
* xsi:type="integer" as integer, xsi:type="string" as string
* @param forceList new HashSet() to parse the provided tags' values as arrays
*/
private XMLParserConfiguration (final boolean keepStrings, final String cDataTagName,
final boolean convertNilAttributeToNull, final Map> xsiTypeMap, final Set forceList ) {
this.keepStrings = keepStrings;
this.cDataTagName = cDataTagName;
this.convertNilAttributeToNull = convertNilAttributeToNull;
this.xsiTypeMap = Collections.unmodifiableMap(xsiTypeMap);
this.forceList = Collections.unmodifiableSet(forceList);
}
/**
* Provides a new instance of the same configuration.
*/
@Override
protected XMLParserConfiguration clone() {
// future modifications to this method should always ensure a "deep"
// clone in the case of collections. i.e. if a Map is added as a configuration
// item, a new map instance should be created and if possible each value in the
// map should be cloned as well. If the values of the map are known to also
// be immutable, then a shallow clone of the map is acceptable.
return new XMLParserConfiguration(
this.keepStrings,
this.cDataTagName,
this.convertNilAttributeToNull,
this.xsiTypeMap,
this.forceList
);
}
/**
* When parsing the XML into JSON, specifies if values should be kept as strings (true), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
*
* @return The keepStrings configuration value.
*/
public boolean isKeepStrings() {
return this.keepStrings;
}
/**
* When parsing the XML into JSON, specifies if values should be kept as strings (true), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
*
* @param newVal
* new value to use for the keepStrings configuration option.
*
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withKeepStrings(final boolean newVal) {
XMLParserConfiguration newConfig = this.clone();
newConfig.keepStrings = newVal;
return newConfig;
}
/**
* The name of the key in a JSON Object that indicates a CDATA section. Historically this has
* been the value "content" but can be changed. Use null to indicate no CDATA
* processing.
*
* @return The cDataTagName configuration value.
*/
public String getcDataTagName() {
return this.cDataTagName;
}
/**
* The name of the key in a JSON Object that indicates a CDATA section. Historically this has
* been the value "content" but can be changed. Use null to indicate no CDATA
* processing.
*
* @param newVal
* new value to use for the cDataTagName configuration option.
*
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withcDataTagName(final String newVal) {
XMLParserConfiguration newConfig = this.clone();
newConfig.cDataTagName = newVal;
return newConfig;
}
/**
* When parsing the XML into JSON, specifies if values with attribute xsi:nil="true"
* should be kept as attribute(false), or they should be converted to
* null(true)
*
* @return The convertNilAttributeToNull configuration value.
*/
public boolean isConvertNilAttributeToNull() {
return this.convertNilAttributeToNull;
}
/**
* When parsing the XML into JSON, specifies if values with attribute xsi:nil="true"
* should be kept as attribute(false), or they should be converted to
* null(true)
*
* @param newVal
* new value to use for the convertNilAttributeToNull configuration option.
*
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withConvertNilAttributeToNull(final boolean newVal) {
XMLParserConfiguration newConfig = this.clone();
newConfig.convertNilAttributeToNull = newVal;
return newConfig;
}
/**
* When parsing the XML into JSON, specifies that the values with attribute xsi:type
* will be converted to target type defined to client in this configuration
* {@code Map>} to parse values with attribute
* xsi:type="integer" as integer, xsi:type="string" as string
* @return xsiTypeMap unmodifiable configuration map.
*/
public Map> getXsiTypeMap() {
return this.xsiTypeMap;
}
/**
* When parsing the XML into JSON, specifies that the values with attribute xsi:type
* will be converted to target type defined to client in this configuration
* {@code Map>} to parse values with attribute
* xsi:type="integer" as integer, xsi:type="string" as string
* @param xsiTypeMap {@code new HashMap>()} to parse values with attribute
* xsi:type="integer" as integer, xsi:type="string" as string
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withXsiTypeMap(final Map> xsiTypeMap) {
XMLParserConfiguration newConfig = this.clone();
Map> cloneXsiTypeMap = new HashMap>(xsiTypeMap);
newConfig.xsiTypeMap = Collections.unmodifiableMap(cloneXsiTypeMap);
return newConfig;
}
/**
* When parsing the XML into JSON, specifies that tags that will be converted to arrays
* in this configuration {@code Set} to parse the provided tags' values as arrays
* @return forceList unmodifiable configuration set.
*/
public Set getForceList() {
return this.forceList;
}
/**
* When parsing the XML into JSON, specifies that tags that will be converted to arrays
* in this configuration {@code Set} to parse the provided tags' values as arrays
* @param forceList {@code new HashSet()} to parse the provided tags' values as arrays
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withForceList(final Set forceList) {
XMLParserConfiguration newConfig = this.clone();
Set cloneForceList = new HashSet(forceList);
newConfig.forceList = Collections.unmodifiableSet(cloneForceList);
return newConfig;
}
/**
* The maximum nesting depth that the parser will descend before throwing an exception
* when parsing the XML into JSON.
* @return the maximum nesting depth set for this configuration
*/
public int getMaxNestingDepth() {
return maxNestingDepth;
}
/**
* Defines the maximum nesting depth that the parser will descend before throwing an exception
* when parsing the XML into JSON. The default max nesting depth is 512, which means the parser
* will go as deep as the maximum call stack size allows. Using any negative value as a
* parameter is equivalent to setting no limit to the nesting depth.
* @param maxNestingDepth the maximum nesting depth allowed to the XML parser
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public XMLParserConfiguration withMaxNestingDepth(int maxNestingDepth) {
XMLParserConfiguration newConfig = this.clone();
if (maxNestingDepth > UNDEFINED_MAXIMUM_NESTING_DEPTH) {
newConfig.maxNestingDepth = maxNestingDepth;
} else {
newConfig.maxNestingDepth = UNDEFINED_MAXIMUM_NESTING_DEPTH;
}
return newConfig;
}
}
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